2/20/2020 1:10:00 PM
2/20/2020 8:02:30 AM
Rio Grande Groundwater Withdrawal Rules
Document Type - Rulemaking
RESPONSE AREA SUMMARY B RIO GRANDE ALLUVIUM
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Response Area Summary <br />912312015 <br />RESPONSE AREA SUMMARY PACKAGE <br />RIO GRANDEALLUVIUM RESPONSEAREA <br />(Includes only unconfined wells) <br />Table of Contents <br />Figure 1 Rio Grande Alluvium Response Area, Stream Reaches with Response Functions - This <br />figure shows the stream reaches for which Response Functions were calibrated. For the <br />Rio Grande Alluvium Response Area there are three stream reaches with Response <br />Functions: <br />1. Rio Grande Del Norte to Excelsior Ditch <br />2. Rio Grande Excelsior Ditch to Chicago Ditch <br />3. Rio Grande Chicago Ditch to the State Line <br />Table 1a Estimated Historical and Current Year Net Stream Depletions from Groundwater <br />Withdrawals in the Rio Grande Alluvium Response Area (acre-feet) - This table provides <br />a summary of the Rio Grande Alluvium Response Area's groundwater withdrawal <br />impacts to streams using Response Functions calibrated to the RGDSS Groundwater <br />Model for the time frame of 2001 through 2015. For illustrative purposes, groundwater <br />withdrawal was discontinued after 2015 and the Response Functions were applied to <br />estimate post plan depletions. Net Groundwater Consumptive Use is defined as the <br />groundwater consumed by the operations of one or more wells and represents the <br />difference between groundwater withdrawals less any return flow to the hydrogeologic <br />system. <br />Table 1b Estimated Post Plan Net Stream Depletions from Groundwater Withdrawals in the Rio <br />Grande Alluvium Response Area (acre-feet) <br />Figure 2 2001-2015 Estimated Net Stream Depletions and Post 2015 Projected Net Stream <br />Depletions from Groundwater Withdrawals in the Rio Grande Alluvium Response Area <br />- The stacked graph shows the combination of Table 1a (historical and current year <br />depletions) and Table lb (post -plan depletions). <br />Table 2 Monthly Net Stream Depletions for 2015 Plan Year in the Rio Grande Alluvium <br />Response Area (acre-feet) - This table provides the monthly distribution of Net Stream <br />Depletions for the 2015 Plan Year. <br />Rio Grande Alluvium Response Area Page 1 <br />
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